<template>
    <div class="app-container">
    讲师列表

    <!--查询表单-->
    <el-form :inline="true" class="demo-form-inline">
      <el-form-item>
        <el-input v-model="teacherQuery.name" placeholder="讲师名"/>
      </el-form-item>

      <el-form-item>
        <el-select v-model="teacherQuery.level" clearable placeholder="讲师头衔">
          <el-option :value="1" label="高级讲师"/>
          <el-option :value="2" label="首席讲师"/>
        </el-select>
      </el-form-item>

      <el-form-item label="添加时间">
        <el-date-picker
          v-model="teacherQuery.begin"
          type="datetime"
          placeholder="选择开始时间"
          value-format="yyyy-MM-dd HH:mm:ss"
          default-time="00:00:00"
        />
      </el-form-item>
      <el-form-item>
        <el-date-picker
          v-model="teacherQuery.end"
          type="datetime"
          placeholder="选择截止时间"
          value-format="yyyy-MM-dd HH:mm:ss"
          default-time="00:00:00"
        />
      </el-form-item>

      <el-button type="primary" icon="el-icon-search" @click="getList()">查询</el-button>
      <el-button type="default" @click="resetData()">清空</el-button>
    </el-form>


    <!-- 表格 -->
    <el-table
      :data="list"
      border
      fit
      highlight-current-row>

      <el-table-column
        label="序号"
        width="70"
        align="center">
        <template slot-scope="scope">
          {{ (page - 1) * limit + scope.$index + 1 }}
        </template>
      </el-table-column>

      <el-table-column prop="name" label="名称" width="80" />

      <el-table-column label="头衔" width="80">
        <template slot-scope="scope">
          {{ scope.row.level===1?'高级讲师':'首席讲师' }}
        </template>
      </el-table-column>

      <el-table-column prop="intro" label="资历" />

      <el-table-column prop="gmtCreate" label="添加时间" width="160"/>

      <el-table-column prop="sort" label="排序" width="60" />

      <el-table-column label="操作" width="200" align="center">
        <template slot-scope="scope">
          <router-link :to="'/teacher/edit/'+scope.row.id">
            <el-button type="primary" size="mini" icon="el-icon-edit">修改</el-button>
          </router-link>
          <el-button type="danger" size="mini" icon="el-icon-delete" @click="removeDataById(scope.row.id)">删除</el-button>
        </template>
      </el-table-column>
    </el-table>

    <!-- 分页 -->
    <el-pagination
      :current-page="page"
      :page-size="limit"
      :total="total"
      style="padding: 30px 0; text-align: center;"
      layout="total, prev, pager, next, jumper"
      @current-change="getList"
    />

  </div>
</template>
<script>
//引入teacher.js
import teacher from '@/api/edu/teacher'

export default {

  //Vue实例里面data可以写函数式或者对象式，但是组件里面只能写函数式！！！
  data(){
      return {
          list:null,//查询之后返回结果
          page:1, //当前页
          limit:4,//每页记录数
          total:0,//总记录数
          teacherQuery:{}//条件封装对象
      }
      
  },

  created() {
      this.getList()
  },

  methods:{

    //删除
    removeDataById(id){
      this.$confirm('此操作将永久删除该讲师, 是否继续?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).then(() => {
        teacher.deleteTeacherId(id)
        .then(response => {
          //提示信息
          this.$message({
            type: 'success',
            message: '删除成功!'
          });
          //回到列表页面
          this.getList()
        })
      }).catch(() => {
        this.$message({
          type: 'info',
          message: '已取消删除'
        });          
      });
      
    },

    //清空查询
    resetData(){
      this.teacherQuery = {}
      this.getList()
    },

    //讲师列表的方法
    getList(page=1) { //默认为1
    this.page = page
      teacher.getTeacherListPage(this.page,this.limit,this.teacherQuery)
      .then(response => { //成功
          //response接口返回的数据
          console.log(response)
          this.list = response.data.records
          this.total = response.data.total
          
      })
      .catch(error => {
          console.log(error)
      })
    }
  }

}

</script>